Fan



FIG. 1 is a front view of the fan showing my new design;

FIG. 2 is a back view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a perspective view thereof; and,

FIG. 8 is another perspective view thereof.

The broken lines show portions of the fan that form no part of the claimed design. 

CLAIM The ornamental design for the fan, as shown and described. 